Other Current Assets - Schedule of Other Current Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Advances to vendors	$ 5,467	$ 5,403
Prepaid expenses	823	750
Other receivables	779	536
Total	$ 7,069	$ 6,689